Larimer County Weeds That Are Frequently Asked About Common cocklebur (Xanthium strumarium) Common mullein (Verbascum thapsus) Curlycup gumweed (Grindelia squarrosa) Evening star (Mentzelia decapetala) Field bindweed (Convolvulus arvensis) Russian olive (Elaeagnus angustifolia) For more information on a variety of weeds, check out Colorado State University Cooperative Extension's weed publications. Back Back to Weed District Back to Parks & Open Lands Home
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